TFA: Telephony and data services
This online course introduces the facilities and capabilities of telephony and data services provided by modern telecommunications systems with reference to the underlying infrastructure.
Level:
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Single user:
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Target audience:
This course is designed for those who require an appreciation of telephony and data services including those joining the telecoms sector in a managerial or technical role.
Course prerequisites:
This course does not assume any prior knowledge of telecommunications.
Course objectives:
By the end of this course you will be able to:
- describe the role of the main elements of, and the facilities offered by, a public switched telephone network (PSTN).
- describe the various measures of the quality of service provided by a public telephone network.
- describe and compare the role of geographic and non-geographic numbering.
- describe the role of the elements of, and the facilities provided by, private telephony systems.
- describe the basic principles, service quality, and applications of "Voice over IP" with reference to its use in both public and private telephony systems.
- explain the concept of convergence and the benefits of employing a next generation network.
- compare the different ways of providing customers with access to the Internet and other data services.
- explain the significance of contention and give examples of contended and uncontended services.
- describe the benefits and applications of virtual private networks and virtual local area networks.
- describe the role of a service level agreement and the relevance of defining a quality of service.
- describe and compare the facilities and benefits provided by three types of cloud service.
- describe the services typically provided by Internet service providers (ISP) with reference to the tiered hierarchy of ISPs.
- describe the facilities offered by Internet telephony service providers with reference to the role of a SIP trunk.
Number of modules: 5
Approximate study time: 6 hours
Download and view the course specification in Adobe PDF format
Delivery platform requirements:
To access the course, a computer running a browser such as Google Chrome, Safari etc is required. The computer should have Internet access. A screen resolution of at least 1024x768 is necessary.
